When your natural stone has lost its luster or has become damaged in some other way, or needs to be protected, who do you look to? Do you look to your cleaning or janitorial company? Or should you be looking elsewhere? The fact is, stone restoration and maintenance, from a chip and crack repair to deep cleaning and sealing to honing and polishing, requires specialized knowledge, training, and equipment and it is important to find the right service provider. STONE RESTORATION PRO VS.